chrome/browser/renderer_preferences_util.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/renderer_preferences_util.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "chrome/common/pref_names.h"
  10 #include "content/public/common/renderer_preferences.h"
  11 #include "third_party/skia/include/core/SkColor.h"
  12
  13 #if defined(OS_LINUX) || defined(OS_ANDROID)
  14 #include "ui/gfx/font_render_params.h"
  15 #endif
  16
  17 #if defined(TOOLKIT_VIEWS)
  18 #include "ui/views/controls/textfield/textfield.h"
  19 #endif
  20
  21 #if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
  22 #include "chrome/browser/themes/theme_service.h"
  23 #include "chrome/browser/themes/theme_service_factory.h"
  24 #include "ui/views/linux_ui/linux_ui.h"
  25 #endif
  26
  27 namespace renderer_preferences_util {
  28
  29 namespace {
  30
  31 #if defined(OS_LINUX) || defined(OS_ANDROID)
  32 content::RendererPreferencesHintingEnum GetRendererPreferencesHintingEnum(
  33     gfx::FontRenderParams::Hinting hinting) {
  34   switch (hinting) {
  35     case gfx::FontRenderParams::HINTING_NONE:
  36       return content::RENDERER_PREFERENCES_HINTING_NONE;
  37     case gfx::FontRenderParams::HINTING_SLIGHT:
  38       return content::RENDERER_PREFERENCES_HINTING_SLIGHT;
  39     case gfx::FontRenderParams::HINTING_MEDIUM:
  40       return content::RENDERER_PREFERENCES_HINTING_MEDIUM;
  41     case gfx::FontRenderParams::HINTING_FULL:
  42       return content::RENDERER_PREFERENCES_HINTING_FULL;
  43     default:
  44       NOTREACHED() << "Unhandled hinting style " << hinting;
  45       return content::RENDERER_PREFERENCES_HINTING_SYSTEM_DEFAULT;
  46   }
  47 }
  48
  49 content::RendererPreferencesSubpixelRenderingEnum
  50 GetRendererPreferencesSubpixelRenderingEnum(
  51     gfx::FontRenderParams::SubpixelRendering subpixel_rendering) {
  52   switch (subpixel_rendering) {
  53     case gfx::FontRenderParams::SUBPIXEL_RENDERING_NONE:
  54       return content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_NONE;
  55     case gfx::FontRenderParams::SUBPIXEL_RENDERING_RGB:
  56       return content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_RGB;
  57     case gfx::FontRenderParams::SUBPIXEL_RENDERING_BGR:
  58       return content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_BGR;
  59     case gfx::FontRenderParams::SUBPIXEL_RENDERING_VRGB:
  60       return content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VRGB;
  61     case gfx::FontRenderParams::SUBPIXEL_RENDERING_VBGR:
  62       return content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VBGR;
  63     default:
  64       NOTREACHED() << "Unhandled subpixel rendering style "
  65                    << subpixel_rendering;
  66       return content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_SYSTEM_DEFAULT;
  67   }
  68 }
  69 #endif  // defined(OS_LINUX) || defined(OS_ANDROID)
  70
  71 }  // namespace
  72
  73 void UpdateFromSystemSettings(
  74     content::RendererPreferences* prefs, Profile* profile) {
  75   const PrefService* pref_service = profile->GetPrefs();
  76   prefs->accept_languages = pref_service->GetString(prefs::kAcceptLanguages);
  77   prefs->enable_referrers = pref_service->GetBoolean(prefs::kEnableReferrers);
  78   prefs->enable_do_not_track =
  79       pref_service->GetBoolean(prefs::kEnableDoNotTrack);
  80   prefs->default_zoom_level = pref_service->GetDouble(prefs::kDefaultZoomLevel);
  81
  82 #if defined(USE_DEFAULT_RENDER_THEME)
  83   prefs->focus_ring_color = SkColorSetRGB(0x4D, 0x90, 0xFE);
  84
  85 #if defined(OS_CHROMEOS)
  86   // This color is 0x544d90fe modulated with 0xffffff.
  87   prefs->active_selection_bg_color = SkColorSetRGB(0xCB, 0xE4, 0xFA);
  88   prefs->active_selection_fg_color = SK_ColorBLACK;
  89   prefs->inactive_selection_bg_color = SkColorSetRGB(0xEA, 0xEA, 0xEA);
  90   prefs->inactive_selection_fg_color = SK_ColorBLACK;
  91 #endif
  92
  93   prefs->touchpad_fling_profile[0] =
  94       pref_service->GetDouble(prefs::kFlingCurveTouchpadAlpha);
  95   prefs->touchpad_fling_profile[1] =
  96       pref_service->GetDouble(prefs::kFlingCurveTouchpadBeta);
  97   prefs->touchpad_fling_profile[2] =
  98       pref_service->GetDouble(prefs::kFlingCurveTouchpadGamma);
  99   prefs->touchscreen_fling_profile[0] =
 100       pref_service->GetDouble(prefs::kFlingCurveTouchscreenAlpha);
 101   prefs->touchscreen_fling_profile[1] =
 102       pref_service->GetDouble(prefs::kFlingCurveTouchscreenBeta);
 103   prefs->touchscreen_fling_profile[2] =
 104       pref_service->GetDouble(prefs::kFlingCurveTouchscreenGamma);
 105 #endif
 106
 107 #if defined(TOOLKIT_VIEWS)
 108   prefs->caret_blink_interval = views::Textfield::GetCaretBlinkMs() / 1000.0;
 109 #endif
 110
 111 #if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
 112   views::LinuxUI* linux_ui = views::LinuxUI::instance();
 113   if (linux_ui) {
 114     if (ThemeServiceFactory::GetForProfile(profile)->UsingSystemTheme()) {
 115       prefs->focus_ring_color = linux_ui->GetFocusRingColor();
 116       prefs->thumb_active_color = linux_ui->GetThumbActiveColor();
 117       prefs->thumb_inactive_color = linux_ui->GetThumbInactiveColor();
 118       prefs->track_color = linux_ui->GetTrackColor();
 119       prefs->active_selection_bg_color = linux_ui->GetActiveSelectionBgColor();
 120       prefs->active_selection_fg_color = linux_ui->GetActiveSelectionFgColor();
 121       prefs->inactive_selection_bg_color =
 122         linux_ui->GetInactiveSelectionBgColor();
 123       prefs->inactive_selection_fg_color =
 124         linux_ui->GetInactiveSelectionFgColor();
 125     }
 126
 127     // If we have a linux_ui object, set the caret blink interval regardless of
 128     // whether we're in native theme mode.
 129     prefs->caret_blink_interval = linux_ui->GetCursorBlinkInterval();
 130   }
 131 #endif
 132
 133 #if defined(OS_LINUX) || defined(OS_ANDROID)
 134   const gfx::FontRenderParams& params = gfx::GetDefaultWebKitFontRenderParams();
 135   prefs->should_antialias_text = params.antialiasing;
 136   prefs->use_subpixel_positioning = params.subpixel_positioning;
 137   prefs->hinting = GetRendererPreferencesHintingEnum(params.hinting);
 138   prefs->use_autohinter = params.autohinter;
 139   prefs->use_bitmaps = params.use_bitmaps;
 140   prefs->subpixel_rendering =
 141       GetRendererPreferencesSubpixelRenderingEnum(params.subpixel_rendering);
 142 #endif
 143
 144 #if !defined(OS_MACOSX)
 145   prefs->plugin_fullscreen_allowed =
 146       pref_service->GetBoolean(prefs::kFullscreenAllowed);
 147 #endif
 148 }
 149
 150 }  // namespace renderer_preferences_util